wood floor joist shear strength

huangyhg

wood floor joist shear strength
what is the best way to estimate the shear strength of a peticular wood truss?  i have been able to backwork span tables to find moment strength, but is there some sort of rule of thumb for max shear?
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do you mean wood joist or wood truss?  the shear stress in a wood joist is 1.5 times the shear divided by the cross sectional area.  the shear capacity of a wood truss is controlled by the axial capacity of the web member nearest the support.
daveatkins